Articoli correlati a Elements of Functional Analysis
Sinossi
This 1970 textbook aims to provide a truly introductory course in functional analysis.
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Descrizione del libro
The second edition of this successful textbook, first published in 1970, retains the aims of the first, namely to provide a truly introductory course in functional analysis, but the opportunity has been taken to add more detail and worked examples.
Contenuti
Preface to the second edition; Preface to the first edition; Part I. Basic Set Theory and Analysis: 1. Sets and functions; 2. Real and complex numbers; 3. Sequences of functions, continuity, differentiability; 4. Inequalities; Part II. Metric and Topological Spaces: 1. Metric and semimetric spaces; 2. Complete metric spaces; 3. Some metric and topological concepts; 4. Continuous functions on metric and topological spaces; 5. Compact sets; 6. Category and uniform boundedness; Part III. Linear and Linear Metric Spaces: 1. Linear spaces; 2. Subspaces, dimensionality, factorspaces, convex sets; 3. Metric linear spaces, topological linear spaces; 4. Basis; Part IV. Normed Linear Spaces: 1. Convergence and completeness; 2. Linear operators and functionals; 3. The Banach–Steinhaus theorem; 4. The open mapping and closed graph theorems; 5. The Hahn–Banach extension; 6. Weak topology and weak convergence; Part V. 1. Algebras and Banach algebras; 2. Homomorphisms and isomorphisms; 3. The spectrum and the Gelfand–Mazaur theorem; 4. The Weiner algebra; Part VI. Hilbert Space: 1. Inner product and Hilbert spaces; 2. Orthonormal sets; 3. The dual space of a Hilbert space; 4. Symmetric and compact operators; Part VII. Applications: 1. Differential and integral problems; 2. The Sturm–Liouville problem; 3. Matrix transformations in sequence spaces; Appendix; Bibliography; Index.
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